feat(insights): optionally deploy a proxy for Insights (backport #670)

[mergify]

This is an automatic backport of pull request #670 done by Mergify.
Cherry-pick of d719e43 has failed:

On branch mergify/bp/cryostat-v2.4/pr-670
Your branch is up to date with 'origin/cryostat-v2.4'.

You are currently cherry-picking commit d719e43.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   Makefile
	new file:   config/insights/insights_patch.yaml
	new file:   config/insights/kustomization.yaml
	modified:   config/manager/manager.yaml
	modified:   config/rbac/role.yaml
	new file:   hack/insights_patch.yaml.in
	modified:   internal/controllers/clustercryostat_controller.go
	modified:   internal/controllers/clustercryostat_controller_test.go
	modified:   internal/controllers/common/common_utils.go
	modified:   internal/controllers/common/resource_definitions/resource_definitions.go
	modified:   internal/controllers/common/tls.go
	modified:   internal/controllers/constants/constants.go
	modified:   internal/controllers/cryostat_controller.go
	modified:   internal/controllers/cryostat_controller_test.go
	new file:   internal/controllers/insights/apicast.go
	new file:   internal/controllers/insights/insights.go
	new file:   internal/controllers/insights/insights_controller.go
	new file:   internal/controllers/insights/insights_controller_test.go
	new file:   internal/controllers/insights/insights_controller_unit_test.go
	new file:   internal/controllers/insights/insights_suite_test.go
	new file:   internal/controllers/insights/setup.go
	new file:   internal/controllers/insights/setup_test.go
	new file:   internal/controllers/insights/test/manager.go
	new file:   internal/controllers/insights/test/resources.go
	new file:   internal/controllers/insights/test/utils.go
	modified:   internal/controllers/openshift.go
	modified:   internal/controllers/pvc.go
	modified:   internal/controllers/rbac.go
	modified:   internal/controllers/reconciler.go
	modified:   internal/controllers/reconciler_test.go
	new file:   internal/controllers/reconciler_unit_test.go
	modified:   internal/main.go
	new file:   internal/test/expect.go
	modified:   internal/test/resources.go

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   bundle/manifests/cryostat-operator.clusterserviceversion.yaml

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

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[ebaron]

/build_test